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公开(公告)号：US10987921B2
公开(公告)日：2021-04-27
申请号：US16354852
申请日：2019-03-15
发明人： Ayako Iwasaki , Yoshiyuki Nakagawa , Yoshihiro Hamada , Masashi Hayashi , Kentaro Muro , Yutaka Kano , Takahide Takeishi
摘要： An image forming apparatus 101 capable of performing printing with a high image quality, and a control method of the image forming apparatus 101 are provided. For this purpose, a threshold value Dt is preliminarily set that allows printing without occurrence of blur, for each of preliminarily set monitoring areas A. In the case where a print duty for each of the monitoring areas A has exceeded the threshold value Dt, an ejection frequency of ink and conveying speed of a print medium are reduced in association therebetween.
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公开(公告)号：US20200070504A1
公开(公告)日：2020-03-05
申请号：US16557452
申请日：2019-08-30
IPC分类号： B41J2/045 , B41J29/393
摘要： A print medium is conveyed in a first direction and a print head is provided with a reference side nozzle array and a plurality of nonreference side nozzle arrays. A relative position displacement amount between a reference printing position of a reference pattern printed by the reference side nozzle array and a nonreference printing position of each of nonreference patterns printed by each of the nonreference side nozzle arrays is detected. Based on a maximum value of a displacement amount of the reference printing position with respect to each of the nonreference printing positions in a direction opposite to the first direction, a first correction value for correcting displacement of the reference printing position is calculated. With reference to the reference printing position after corrected based on the first correction value, a second correction value for correcting displacement is calculated for each of the nonreference printing positions.
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公开(公告)号：US20200070502A1
公开(公告)日：2020-03-05
申请号：US16549889
申请日：2019-08-23
发明人： Kentaro Muro , Masashi Hayashi , Eiji Komamiya
IPC分类号： B41J2/045
摘要： A recording apparatus is provided for determining a relative moving speed between a recording head and a recording medium based on application amount information and power information corresponding to power for driving a heating element. In a case of the power amount in a first amount, the moving speed is determined as a first speed in a case where an application amount is equal to a predetermined amount, and the moving speed is determined as a speed higher than the first speed in a case where the application amount is smaller than the predetermined amount. In a case of the power amount in a second amount smaller than the first amount, the moving speed is determined as a speed higher than the first speed in a case where the application amount is equal to the predetermined amount.
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公开(公告)号：US10434771B2
公开(公告)日：2019-10-08
申请号：US16010224
申请日：2018-06-15
摘要： An apparatus includes a recording head including a first discharge port array and a second discharge port array, the first and second discharge port arrays being shifted and arranged in a first direction so that part of the discharge ports arranged at an end portion of the first discharge port array in the first direction and part of the discharge ports arranged at an end potion of the second discharge port array in the first direction are located at the same positions in the first direction. The plurality of discharge ports in each of the first and second discharge port arrays is obliquely arranged at a predetermined tilt with respect to the first direction. Discharge timing is adjusted based on the tilt of the discharge port arrays.
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公开(公告)号：US20190299592A1
公开(公告)日：2019-10-03
申请号：US16354852
申请日：2019-03-15
发明人： Ayako Iwasaki , Yoshiyuki Nakagawa , Yoshihiro Hamada , Masashi Hayashi , Kentaro Muro , Yutaka Kano , Takahide Takeishi
IPC分类号： B41J2/045
摘要： An image forming apparatus 101 capable of performing printing with a high image quality, and a control method of the image forming apparatus 101 are provided. For this purpose, a threshold value Dt is preliminarily set that allows printing without occurrence of blur, for each of preliminarily set monitoring areas A. In the case where a print duty for each of the monitoring areas A has exceeded the threshold value Dt, an ejection frequency of ink and conveying speed of a print medium are reduced in association therebetween.
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6.发明授权Apparatus and method of ink-jet recording and non-transitory computer-readable storage medium 有权喷墨记录和非暂时计算机可读存储介质的装置和方法公开(公告)号：US09409388B2
公开(公告)日：2016-08-09
申请号：US14831212
申请日：2015-08-20
IPC分类号： B41J2/045
CPC分类号： B41J2/04551 , B41J2/04513 , B41J2/04515 , B41J2/04536 , B41J2/04545 , B41J2/04568 , B41J2/1752 , B41J2/17566 , B41J2/2054 , B41J2/2132 , B41J29/02 , B41J29/38
摘要： An apparatus and a method of recording in which an ink ejection failure due to an excessive rise in the temperature of ejection ports is prevented while preventing a decrease in throughput. If ink can run out and the amount of ink ejected to one unit area is large, recording on the unit area is performed with an increased number of scans.
摘要翻译： 一种记录装置和方法，其中防止喷射口温度过度升高引起的喷墨故障，同时防止产量下降。 如果墨水可能耗尽并且喷射到一个单位区域的墨水量很大，则在单位区域上的记录以增加的扫描次数进行。
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公开(公告)号：US20160052265A1
公开(公告)日：2016-02-25
申请号：US14827114
申请日：2015-08-14
IPC分类号： B41J2/045
CPC分类号： B41J2/04563 , B41J2/04528 , B41J2/04586 , B41J13/0009 , B41J13/0018
摘要： Heating is stopped in between recordings in a first recording mode where the time between recordings is relatively long, while heating is continuously performed in between recordings in a second recording mode where the time between recordings is relatively short.
摘要翻译： 在记录之间的时间相对较长的第一记录模式中，在记录之间的时间相对较短的第二记录模式中在连续执行加热之间的加热停止在记录之间。
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公开(公告)号：US08974021B2
公开(公告)日：2015-03-10
申请号：US14339813
申请日：2014-07-24
发明人： Takeshi Yazawa , Yuji Konno , Hinako Ojiro , Masashi Hayashi , Toshiyuki Chikuma , Hirokazu Tanaka
CPC分类号： B41J25/001 , B41J2/01 , B41J2/2135 , B41J19/96
摘要： A printing apparatus comprising, a printhead including an element array in which a plurality of printing elements are arrayed, scanning unit configured to reciprocally scan the printhead, driving unit configured to time-divisionally drive the printing elements, conveyance unit configured to convey a printing medium, and setting unit configured to set a driving order, wherein the conveyance unit performs a first conveyance operation of conveying the printing medium by a conveyance amount which is an integer multiple of a width of the group of the time-divisional driving, and a second conveyance operation of conveying the printing medium by a conveyance amount which is not an integer multiple of the width of the group, and the setting unit sets the driving order in the time-divisional driving for each scan based on the conveyance amount by the conveyance unit.
摘要翻译： 一种打印装置，包括：打印头，包括排列有多个打印元件的元件阵列;配置成往复扫描打印头的扫描单元，构造成分时驱动打印元件的驱动单元;配置为传送打印介质的传送单元 以及设定单元，其被配置为设定驾驶顺序，其中所述传送单元执行以所述时分驾驶组的宽度的整数倍的传送量传送所述打印介质的第一传送操作，以及第二传送操作 通过不是组合宽度的整数倍的输送量来输送打印介质的输送操作，并且设定单元基于输送单元的输送量来设定针对每次扫描的分时行驶中的驱动顺序 。
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公开(公告)号：US20130201241A1
公开(公告)日：2013-08-08
申请号：US13837291
申请日：2013-03-15
发明人： Masashi Hayashi , Jiro Moriyama , Hiroyuki Saito
IPC分类号： B41J11/00
CPC分类号： B41J11/00 , B41J11/007 , B41J11/0095 , B41J13/0027
摘要： A printing apparatus and a conveyance control method are provided, both capable of detecting a print medium conveying state highly precisely in an entire process of conveying the print medium being printed. For this purpose, the surface of the print medium placed on the belt and the surface of the belt are detected to acquire the moving distance or moving speed of the print medium. Based on the moving distance or moving speed thus obtained, the driving of the belt is controlled. Even in a situation where the object being detected switches from the print medium to the belt in the middle of the conveying operation, the measurement of the moving distance can be performed without interruption by the same detection method using the same optical sensor unit.
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公开(公告)号：US12109798B2
公开(公告)日：2024-10-08
申请号：US17852185
申请日：2022-06-28
发明人： Takaaki Ishida , Masakazu Tsukuda , Masaaki Matsuura , Koki Kudo , Akira Kida , Masashi Hayashi , Atsushi Arai
CPC分类号： B41J11/0015 , G03G15/6529 , B65H2301/5133
摘要： A recording apparatus includes a conveyance unit, a conveyance path, a double-sided conveyance path, and first and second charge eliminators. The conveyance unit conveys a recording medium having first and second surfaces in a first direction through the conveyance path to a recording area where recording is performed by a recording unit on the first surface. The recording medium then passes through the double-sided conveyance path before recording is performed on the second surface. The first charge eliminator eliminates charges from the first surface and is disposed at a position downstream of a junction between the conveyance path and the double-sided conveyance path in the first direction and upstream of the recording area in the first direction. The second charge eliminator eliminate charges from the second surface and is disposed downstream of the junction in the first direction and upstream of the recording area in the first direction.
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